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  • Question
  • Out of three given numbers, the first number is twice the second and thrice the third. If the average of these three numbers is 154, then what is the difference between the first and the third numbers?


  • Options
  • A. 126
  • B. 42
  • C. 168
  • D. 52

  • Correct Answer
  • 168 

    Explanation

    Let the third numbers = p
    Then, the first number = 3p
    and second number = 3p/2
    According to question,
    ( p + 3p + 3p/2 )/3 = 154
    ? ( 2p + 6p + 3p )/6 = 154
    ? p = 154 x 6/11 = 84
    ? Required difference = 3p - p = 2p
    = 2 x 84 = 168


  • More questions

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    • C. 9.5
    • D. 10
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    • 2. 
      The value of 47 / 10000 is?

    • Options
    • A. .0047
    • B. .0470
    • C. .00047
    • D. .000047
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    • 3. If 4x = 18y, then the value of ( x/y - 1) is

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    • 4. 
      If the price of 23 toys is Rs. 276, then what will the price (Rs.) of 12 toys?

    • Options
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    • 5. 
      .02 =(......?.....)%

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      If 36 men can do a piece of work in 25 hours, in how many hours will 15 men do it?

    • Options
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    • 7. 
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    • Options
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    • 8. 
      When 121012 is divided by 12, the remainder is

    • Options
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    • 9. 
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    • 10. 
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    • Options
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